and getting more sleep yield big dividends when it comes to longevity, even for people who have chronic health issues.
but the study results showed that a healthy lifestyle can offset that effect.
Many people wonder why they can’t just use a moisturizer or face cream on their skin in place of a serum.
While there is no hard and fast rule, research from 2011Trusted Source suggests using both, and to layer accordingly.
But you also need to seal the serum to maximize the benefits, which is why a moisturizer or face cream is the next step.